KT-14641: Nested type alias reference via an instance is an error.

idea/testData/diagnosticMessage/nestedClassAcessedViaInstanceReference.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS_NUMBER: 3
+// !DIAGNOSTICS_NUMBER: 4
 // !DIAGNOSTICS: NESTED_CLASS_ACCESSED_VIA_INSTANCE_REFERENCE
 
 class A {
@@ -6,11 +6,13 @@ class A {
     class NestedWithClassObject { companion object }
     enum class NestedEnum { A }
     object NestedObj { fun invoke() = 1 }
+    typealias NestedAlias = Nested
 }
 
 fun test(a: A) {
     a.NestedWithClassObject
     a.NestedEnum
     a.NestedObj
+    a.NestedAlias
     a.Nested() // TODO: report "nested class accessed via instance reference" here as well
 }